A lot of people shopping for a new air filter go straight to the MERV number, assuming higher automatically means better.

A big factor in good indoor air quality is installing the right air filter. That simple component of your HVAC system plays a far bigger role in a home's comfort and health than many people realize.

Upgrading to a higher-efficiency air filter can help with allergies and dust, but it can also quietly raise your air conditioner’s blood pressure. A filter that is too restrictive adds static pressure ...